fuaranScale Mastery
SCALE · ON BASS CLARINET

A♯ Iwato

Japanese 5-note Locrian-adjacent scale — 1 ♭2 4 ♭5 ♭7. Suspended, unresolved colour.

MEIMIDIHumdrum
Choose a root
Tempo120 bpm

Playback sounds an octave + major 2nd below the written notation — the instrument's concert (sounding) pitch.

Audio source: tonejs-instruments by Nick Brosowsky (MIT)

Engraved by Verovio 6.2.0-43f8060 5 title A♯ Iwato Verovio
Keyboard
BEBEBEA♯D♯G♯A♯D♯G♯A♯D♯G♯
Related scales
Same scale, other instruments
Same scale, other tonics
Modes built on this tonic
Theory reference
Questions
What notes are in the A♯ Iwato scale?

The A♯ Iwato scale uses the notes A♯, B, D♯, E, G♯ (one octave; the pattern repeats at higher registers).

What's the Iwato scale formula?

The Iwato scale follows the interval pattern H 4 H 4 W, where W = whole step (2 semitones) and H = half step (1 semitone). Apply that pattern starting on A♯ to get the A♯ Iwato scale.

What chords work over A♯ Iwato?

Try chord pairings derived from the scale's third, fifth, and seventh degrees as roots — they share the most diatonic notes.

How do I finger A♯ Iwato on Bass Clarinet?

On woodwinds, scales train fingering coordination + breath support + register changes. Pay particular attention to the break (the register-key transition); slow practice with a tuner reveals intonation issues across the break.

When would I use the Iwato scale?

Japanese 5-note Locrian-adjacent scale — 1 ♭2 4 ♭5 ♭7. Suspended, unresolved colour.